Chemistry The percentage of Nitrogen in Air is 78.03 0.03 85.02 0.94 78.03 0.03 85.02 0.94 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? Electrolysis of water Decomposition of manganese dioxide Decomposition of potassium permanganate Fractional distillation of liquid air Electrolysis of water Decomposition of manganese dioxide Decomposition of potassium permanganate Fractional distillation of liquid air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following, carbonate ore of Zinc is Zincblende Sphalerite Zincite Calamine Zincblende Sphalerite Zincite Calamine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardest allotrope of carbon is Lamp black Graphite Diamond Coke Lamp black Graphite Diamond Coke ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soldering of two metals is possible because of the property of : Osmosis Cohesion Surface tension Viscosity Osmosis Cohesion Surface tension Viscosity ANSWER DOWNLOAD EXAMIANS APP
Chemistry Laughing gas is Nitrous oxide Nitrogen pentoxide Nitric oxide Nitrogen trioxide Nitrous oxide Nitrogen pentoxide Nitric oxide Nitrogen trioxide ANSWER DOWNLOAD EXAMIANS APP